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authorHoang Tran <tranviethoang.vn@gmail.com>2017-09-27 18:30:58 +0200
committerDavid S. Miller <davem@davemloft.net>2017-09-29 06:07:00 +0100
commitcf5d74b85ef40c202c76d90959db4d850f301b95 (patch)
treec9f027b9870d61b6e3431302ffc22821150fe68a /net
parent5af48b59f35cf712793badabe1a574a0d0ce3bd3 (diff)
downloadop-kernel-dev-cf5d74b85ef40c202c76d90959db4d850f301b95.zip
op-kernel-dev-cf5d74b85ef40c202c76d90959db4d850f301b95.tar.gz
tcp: fix under-evaluated ssthresh in TCP Vegas
With the commit 76174004a0f19785 (tcp: do not slow start when cwnd equals ssthresh), the comparison to the reduced cwnd in tcp_vegas_ssthresh() would under-evaluate the ssthresh. Signed-off-by: Hoang Tran <hoang.tran@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_vegas.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 218cfcc..ee113ff 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,7 +158,7 @@ EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
{
- return min(tp->snd_ssthresh, tp->snd_cwnd-1);
+ return min(tp->snd_ssthresh, tp->snd_cwnd);
}
static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked)
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